參數資料
型號: INTEL486 SX
廠商: Intel Corp.
英文描述: Emedded Ultra-Low Power INTEL486 SX Processor(嵌入式超低能量處理器)
中文描述: Emedded超低功耗英特爾486山西處理器(嵌入式超低能量處理器)
文件頁數: 29/38頁
文件大?。?/td> 346K
代理商: INTEL486 SX
Embedded Ultra-Low Power Intel486 SX Processor
25
5.3
AC Specifications
The AC specifications for the embedded ULP Intel486 SX processor are given in this section.
Table 16. AC Characteristics
(Sheet 1 of 2)
valid over the operating supply voltages listed in Table 12, Operating Supply Voltages (pg. 22).
T
CASE
= 0 °C to +85 °C; C
L
= 50 pF
Symbol
Parameter
2.4V
V
CC
<
2.7V
Min
2.7V
V
CC
3.3V
Min
Max
Max
Unit
Notes
Frequency
0
25
0
33
MHz
Note 1
t
1
t
1a
t
2
t
3
t
4
CLK Period
40
30
ns
Note 1
CLK Period Stability
250
250
ps/CLK
Note 2
CLK High Time
14
11
ns
at 2V
CLK Low Time
14
11
ns
at 0.8V
CLK Fall Time
4
3
ns
2V to 0.8V
Note 3
t
5
CLK Rise Time
4
3
ns
0.8V to 2V
Note 3
t
6
A2-A31, PWT, PCD, BE0#-
BE3#, M/IO#, D/C#, W/R#,
ADS#, LOCK#, BREQ, HLDA,
SMIACT# Valid Delay
3
19
3
16
ns
t
7
A2-A31, PWT, PCD, BE0#-
BE3#, M/IO#, D/C#, W/R#,
ADS#, LOCK#, BREQ, Float
Delay
28
20
ns
Note 3
t
8a
t
9
t
10
t
11
t
12
t
13
t
14
BLAST#, PLOCK# Valid Delay
3
24
3
20
ns
BLAST#, PLOCK# Float Delay
28
20
ns
Note 3
D0-D31 Write Delay
3
20
3
19
ns
D0-D31 Float Delay
28
20
ns
Note 3
EADS# Setup Time
8
6
ns
EADS# Hold Time
3
3
ns
BS16#, BS8#, KEN# Setup
Time
8
6
ns
t
15
BS16#, BS8#, KEN# Hold
Time
3
3
ns
t
16
t
17
t
18
t
18a
RDY#, BRDY# Setup Time
8
6
ns
RDY#, BRDY# Hold Time
3
3
ns
HOLD, AHOLD Setup Time
10
6
ns
BOFF# Setup Time
10
9
ns
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